Unmanned chain hook-up for lifting loose bundles

Details Unmanned chain hook-up for lifting loose bundles Unmanned chain hook-up for lifting loose bundles

1976-02-23

1979-11-06

Marbert, James B.

Handling: hand and hoist-line implements

Hoistline attached load supporting frame

B66C 112

Patent

active

041733347

ABSTRACT:
An unmanned chain hook-up or hoist for lifting loose bundles of pipe or other materials. A hoist is hooked so as to lift a framework along the channels of which a novel link chain is driven so as to move underneath the load to be lifted and locked to the framework. The novel chain includes, in each link, a stop to prevent the chain from turning in one direction while not interfering with the turning movement in an opposite direction, the latter permitting the chain to be retracted into the guiding channels of the framework. The chain or a modification is also applicable to a lift truck.

REFERENCES:
patent: 3239088 (1966-03-01), Sano
patent: 3930587 (1976-01-01), Bliss

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